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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/* xasprintf.c
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* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "util.h"
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#include "iobuf.h"
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#include "estream-printf.h"
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#if !defined(_ESTREAM_PRINTF_MALLOC) || !defined(_ESTREAM_PRINTF_FREE)
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#error Need to define ESTREAM_PRINTF_MALLOC and _FREE
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#endif
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/* Same as asprintf but return an allocated buffer suitable to be
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freed using xfree. This function simply dies on memory failure,
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thus no extra check is required. */
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char *
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xasprintf (const char *fmt, ...)
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{
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va_list ap;
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char *buf;
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va_start (ap, fmt);
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if (estream_vasprintf (&buf, fmt, ap) < 0)
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log_fatal ("estream_asprintf failed: %s\n", strerror (errno));
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va_end (ap);
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return buf;
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}
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/* Same as above but return NULL on memory failure. */
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char *
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xtryasprintf (const char *fmt, ...)
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{
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int rc;
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va_list ap;
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char *buf;
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va_start (ap, fmt);
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rc = estream_vasprintf (&buf, fmt, ap);
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va_end (ap);
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if (rc < 0)
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return NULL;
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return buf;
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}
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